export ARCH=$(uname -m)
# do not use all cpus because my computer dies
export JOBS=$(awk -v count=$(nproc) 'BEGIN { print ( int( count - 1 ) ) }')

if [[ "$(uname)" == "Darwin" ]]; then
  export JOBS=$(awk -v count=$(sysctl -n hw.ncpu) 'BEGIN { print ( int ( count - 1 ) ) }')
fi

while [[ $# -gt 0 ]]; do
  case $1 in
    --arch)
      export ARCH=$2
      shift 2
      ;;
    *)
      echo "Usage: $0 --arch [arch]"
      exit 1
      ;;
  esac
done

export workDir=$(pwd)/work
export outDir=$(pwd)/out
export PREFIX=$workDir/prefix

export PKG_CONFIG_DIR=$PREFIX/lib/pkgconfig
export PKG_CONFIG_PATH=$PKG_CONFIG_DIR

rm -rf $PREFIX
mkdir -p $PREFIX

mkdir -p $workDir
mkdir -p $outDir

case $FFBUILD_PLATFORM in
  win)
    bash scripts/build-ffnvcodec.sh
    # disabled due to build error
    # bash scripts/build-libmfx.sh
    ;;
esac

bash scripts/build-openh264.sh
bash scripts/build-ffmpeg.sh